Specifications: Adopts a binder clip that is hard to break; Material: Shaft: Recycled resin; Ink color: black, red, with rubber grip. Retractable ◆ Ball Diameter: 0.03 inches (0.7 mm); Ink: Oil-based dye; Refill: SK-0.7 core; [Art Supplies Shop Dot Com Postcard A]: Limited Product!! 1 x Cute Animal Postcard